General Electric CF6: diferència entre les revisions
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El '''General Electric CF6''' és una família de [[motors]] d'[[avió]] [[turboventilador#Índex de derivació|turboventiladors d'alt índex de derivació]].<ref>{{Ref-web|url=https://web.archive.org/web/20110904041357/http://www.geae.com/engines/commercial/cf6/index.html|títol=GE - Aviation: CF6|consulta=2018-11-14|data=2011-09-04}}</ref> El CF6 és una versió millorada del primer motor de reacció d'alt índex de derivació i alta potència disponible, el [[General Electric TF39|TF39]], i impulsa una gran varietat d'avions civils.<ref>{{Ref-web|url=https://www.geaviation.com/commercial/engines/cf6-engine|títol=The CF6 Engine {{!}} GE Aviation|consulta=2018-12-09}}</ref> El nucli bàsic del motor és la base dels [[turboeix]]os marins i generadors d'electricitat [[General Electric LM2500|LM2500]], LM5000 i [[General Electric LM6000|LM6000]]. [[GE Aviation]] vol substituir la família CF6 pel [[General Electric GEnx|GEnx]].
==Especifications i variants==
{| class="wikitable" style="text-align: center;"
|+ CF6 Especificacions<ref name=GECF6>{{cite web |url= http://www.geaviation.com/commercial/engines/cf6-engine |title= The CF6 Engine |publisher= GE Aviation}}</ref>
! Variant
! CF6-6
! CF6-50
! CF6-80A
! CF6-80C2
! CF6-80E1
|-
! Tipus
| colspan=5 | Rotor dual, flux axial, [[turboventilador]] amb ràtio elevada de derivació, cambra de combustió anul·lar
|-
! Compressor
| Ventilador & 1 BP (Baixa Pressió) + 16 AP (Alta Pressió)
| colspan=2 | Ventilador & & 3 BP + 14 AP
| colspan=2 | Ventilador & 4 BP + 14 AP
|-
! Turbina
| 2 AP + 5LP
| colspan=2 | 2 AP + 4 BP
| colspan=2 | 2 AP + 5 BP
|-
! Longitud
| {{convert|188|in|cm|abbr=on|0}}
| {{convert|183|in|cm|abbr=on|0}}
| {{convert|167|in|cm|abbr=on|0}}
| colspan=2 | {{convert|168|in|cm|abbr=on|0}}
|-
! Diàmetre total
| colspan=3 | {{convert|105|in|cm|abbr=on|0}}<ref name=GECF6-6/><ref name=GECF6-50/><ref name=GECF6-80A/>
| {{convert|106|in|cm|abbr=on|0}}<ref name="GECF6-80C2/">{{cite web |url= http://www.geaviation.com/engines/commercial/cf6/cf6-80c2.html |title= CF6-80C2 Engine |publisher= GE Aviation |url-status= bot: unknown |archive-url= https://web.archive.org/web/20081121124612/http://www.geaviation.com/engines/commercial/cf6/cf6-80c2.html |archive-date= 2008-11-21 }}</ref>
| {{convert|114|in|cm|abbr=on|0}}<ref name=GECF6-80C2/>
|-
! Diàmetre del ventilador
| colspan=3 | {{convert|86.4|in|cm|abbr=on|0}}<ref>{{cite web |url= http://www.iasg.co.uk/pdfs/articles/engine_services/cf680c2_engine_history.pdf |work= Engine Yearbook |date= 2007 |title= CF6-80C2 engine history and evolution}}</ref>
| {{convert|93|in|cm|abbr=on|0}}<ref>{{cite web |url= https://www.geaviation.com/sites/default/files/datasheet-CF6-80C2.pdf |title= CF6-80C2 datasheet |publisher= GE Aviation}}</ref>
| {{convert|96.2|in|cm|abbr=on|0}}<ref>{{cite web |url= https://www.geaviation.com/sites/default/files/datasheet-CF6-80E1.pdf |title= CF6-80E1 datasheet |publisher= GE Aviation}}</ref>
|-
! Nombre d'hèlices
| colspan=4 | 38
| 34
|-
! Empenyiment a l'envol
| {{convert|41,500|lbf|kN|abbr=on|disp=br}}
| {{convert|51,500|-|54,000|lbf|kN|abbr=on|disp=br}}
| {{convert|48,000|-|50,000|lbf|kN|abbr=on|disp=br}}
| {{convert|52,200|-|61,960|lbf|kN|abbr=on|disp=br}}
| {{convert|65,800|-|69,800|lbf|kN|abbr=on|disp=br}}
|-
! Ràtio de pressió
| 25–25.2
| 29.2–31.1
| 27.3–28.4
| 27.1–31.8
| 32.4–34.8
|-
! Ràtio de Derivació
| 5.76–5.92<ref name=GECF6-6>{{cite web |url= http://www.geaviation.com/engines/commercial/cf6/cf6-6.html |title= Model CF6-6 |publisher= GE Aviation |url-status= bot: unknown |archive-url= https://web.archive.org/web/20081121124007/http://www.geaviation.com/engines/commercial/cf6/cf6-6.html |archive-date= 2008-11-21 }}</ref>
| 4.24–4.4<ref name=GECF6-50>{{cite web |url= http://www.geaviation.com/engines/commercial/cf6/cf6-50.html |title= Model CF6-50 |publisher= GE Aviation |url-status= bot: unknown |archive-url= https://web.archive.org/web/20081121110447/http://www.geaviation.com/engines/commercial/cf6/cf6-50.html |archive-date= 2008-11-21 }}</ref>
| 4.59–4.66<ref name=GECF6-80A>{{cite web |url= http://www.geaviation.com/engines/commercial/cf6/cf6-80a.html |title= Model CF6-80A |publisher= GE Aviation |url-status= bot: unknown |archive-url= https://web.archive.org/web/20081121092139/http://www.geaviation.com/engines/commercial/cf6/cf6-80a.html |archive-date= 2008-11-21 }}</ref>
| 5–5.31<ref name=GECF6-80C2/>
| 5–5.1<ref name=GECF6-80E1>{{cite web |url= http://www.geaviation.com/engines/commercial/cf6/cf6-80e1.html |title= Model CF6-80A |publisher= GE Aviation |url-status= bot: unknown |archive-url= https://web.archive.org/web/20081121104312/http://www.geaviation.com/engines/commercial/cf6/cf6-80e1.html |archive-date= 2008-11-21 }}</ref>
|-
! Consum específic de combustible a màxima potència:
| {{convert|0.35|lb/lbf/h|g/kN/s|abbr=on|disp=br}}<ref name=GECF6-6/>
| {{convert|0.368|-|0.385|lb/lbf/h|g/kN/s|abbr=on|disp=br}}<ref name=GECF6-50/>
| {{convert|0.355|-|0.357|lb/lbf/h|g/kN/s|abbr=on|disp=br}}<ref name=GECF6-80A/>
| {{convert|0.307|-|0.344|lb/lbf/h|g/kN/s|abbr=on|disp=br}}<ref name=GECF6-80C2/>
| {{convert|0.332|-|0.345|lb/lbf/h|g/kN/s|abbr=on|disp=br}}<ref name=GECF6-80C2/>
|-
! Aplicacions<ref name=MTU>{{cite web |url= http://www.mtu.de/engines/commercial-aircraft-engines/widebody-jets/cf6/ |title= Commercial Aircraft Engines > CF6 |publisher= MTU}}</ref>
| [[DC-10]]-10
|[[Boeing 747|747]], DC-10-15/30<br/>[[Airbus A300|A300]]
| [[Airbus A310|A310]], [[Boeing 767|767]]
| A300, A310, [[747-400]]<br/>767, [[Kawasaki C-2|C-2]], [[C-5M]], [[MD-11]]
| [[Airbus A330|A330]]
|-
! {{abbr|TCDS|Type Certificate Data Sheet}}
! CF6-6<ref name="6/45/50TCDS">{{cite web |url= http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/2c339dd53360180c86257b9b004942ca/$FILE/E23EA_Rev_21.pdf |title= Type Certificate Data Sheet E23EA |date= June 10, 2013 |publisher= FAA}}</ref>
! CF6-50<ref name="6/45/50TCDS"/>
! CF6-80A<ref name=80TCDS>{{cite web |url= http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/1047854cea0ef5fe86257d56006cb935/$FILE/E13NE_Rev_26.pdf |title= Type Certificate Data Sheet E13NE |date= September 11, 2014 |publisher= FAA}}</ref>
! CF6-80C2<ref name=80TCDS/>
! CF6-80E1<ref name=80E1TCDS>{{cite web |url= http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/a55932323344fb7786257b9b00495a5a/$FILE/E41NE_Rev_11.pdf |title= Type Certificate Data Sheet E41NE |date= June 10, 2013 |publisher= FAA}}</ref>
|-
! Pes (en sec, inclou accessoris bàsics i equipament opcional)
| {{convert|8,176|lb|kg|abbr=on|disp=br}}
| {{convert|8,825|-|9,047|lb|kg|abbr=on|disp=br}}
| {{convert|8,760|-|8,776|lb|kg|abbr=on|disp=br}}
| {{convert|9,480|-|9,860|lb|kg|abbr=on|disp=br}}
| {{convert|11,225|lb|kg|abbr=on|disp=br}}
|-
! Revolucions per minut (conjunt de rotors de baixa pressió)
| 3.810
| 4.102
| 4.016
| 3.854
| 3.835
|-
! Revolucions per minut (conjunt de rotors d'alta pressió)
| 9.925
| 10.761
| 10.859
| 11.055
| 11.105
|-
! [[Ràtio impuls-pes]]
| {{#expr:41500/8176round2}}
| {{#expr:51500/8825round2}}–{{#expr:54000/9047round2}}
| {{#expr:48000/8760round2}}–{{#expr:50000/8776round2}}
| {{#expr:52200/9480round2}}–{{#expr:61960/9860round2}}
| {{#expr:65800/11225round2}}–{{#expr:69800/11225round2}}
|}
{{notelist}}
== Referències ==
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